We look at the division of 18170015 by 419 
We want to divide 18170015 by 419.

On to step 1:
The number 419 fits into 1 0 times, leaving a remainder of 1.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtract 0 from 1 to get 1.
Fetch the next digit (8) from the dividend, attach it to 1 and continue: 18 / 419

Advancing to step 2:
If we divide 18 by 419, we get 0 and a remainder of 18.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we take 0 away from 18, we end up with 18.
Append the next digit (1) from the dividend to 18 and continue with: 181 / 419

On to step 3:
419 goes into 181 0 times with a remainder of 181.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we subtract 0 from 181, we get 181.
Append the next digit (7) from the dividend to 181 and continue with: 1817 / 419

Let's proceed to step 4:
If we divide 1817 by 419, we get 4 and a remainder of 141.
The number 4 becomes the next digit in our result. 
Result so far: 4.0
The remainder is 141 after subtracting 1676 from 1817.
Take the next digit (0) from the dividend and append it to 141, then repeat: 1410 / 419

Moving on to step 5:
When dividing 1410 by 419, we get 3 with a remainder of 153.
Put 3 as the next digit of the answer. 
Result so far: 43.0
Subtract 1257 from 1410 to get 153.
Bring next digit (0) of the dividend behind the 153 and repeat the process: 1530 / 419

Moving on to step 6:
The number 419 fits into 1530 3 times, leaving a remainder of 273.
The number 3 becomes the next digit in our result. 
Result so far: 433.0
The remainder is 273 after subtracting 1257 from 1530.
Take the next digit (1) from the dividend and append it to 273, then repeat: 2731 / 419

Step 7:
The number 419 fits into 2731 6 times, leaving a remainder of 217.
Use 6 as the next digit of our solution. 
Result so far: 4336.0
If we subtract 2514 from 2731, we get 217.
Append the next digit (5) from the dividend to 217 and continue with: 2175 / 419

Advancing to step 8:
419 goes into 2175 5 times with a remainder of 80.
Put 5 as the next digit of the answer. 
Result so far: 43365.0
The remainder is 80 after subtracting 2095 from 2175.
Since there are no more digits in the dividend, we add a zero to the remainder making it 800, and continue the process.

Advancing to step 9:
419 goes into 800 1 times with a remainder of 381.
The number 1 becomes the next digit in our result. 
Result so far: 43365.1
If we subtract 419 from 800, we get 381.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3810, and continue the process.

On to step 10:
419 can be fit into 3810 9 times, resulting in a remainder of 39.
Put 9 as the next digit of the answer. 
Result so far: 43365.19
Deduct 3771 from 3810 and we're left with 39.
Since there are no more digits in the dividend, we add a zero to the remainder making it 390, and continue the process.

Let's proceed to step 11:
390 divided by 419 is 0 with a remainder of 390.
Record the quotient 0 as the next digit in the result. 
Result so far: 43365.19
If we take 0 away from 390, we end up with 390.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3900, and continue the process.

Step 12:
419 goes into 3900 9 times with a remainder of 129.
The next digit of our result is 9. 
Result so far: 43365.1909
Subtracting 3771 from 3900 leaves us with 129.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1290, and continue the process.

Let's proceed to step 13:
If we divide 1290 by 419, we get 3 and a remainder of 33.
Write down 3 as next digit of the result. 
Result so far: 43365.19093
Subtracting 1257 from 1290 leaves us with 33.
Since there are no more digits in the dividend, we add a zero to the remainder making it 330, and continue the process.

On to step 14:
330 divided by 419 is 0 with a remainder of 330.
Put 0 as the next digit of the answer. 
Result so far: 43365.19093
If we subtract 0 from 330, we get 330.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3300, and continue the process.

Going ahead to step 15:
The number 419 fits into 3300 7 times, leaving a remainder of 367.
Write down 7 as next digit of the result. 
Result so far: 43365.1909307
If we subtract 2933 from 3300, we get 367.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3670, and continue the process.

Moving on to step 16:
The number 419 fits into 3670 8 times, leaving a remainder of 318.
Record the quotient 8 as the next digit in the result. 
Result so far: 43365.19093078
The remainder is 318 after subtracting 3352 from 3670.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3180, and continue the process.

The final outcome is 43365.19093078, with a leftover of 3.18e-07.